diff --git a/mode/c.py b/mode/c.py
index 4035b68..ee6fff1 100644
--- a/mode/c.py
+++ b/mode/c.py
@@ -79,9 +79,10 @@ class CGrammar(Grammar):
         PatternRule("c.operator", r"!(?!=)|\+=|-=|\*=|/=|//=|%=|&=\|\^=|>>=|<<=|\*\*="),
         PatternRule('c.operator', r"\+|<>|<<|<=|<|-|>>|>=|>|\*\*|&&|&|\*|\|\||\||/|\^|==|//|~|!=|%"),
         RegionRule('c.macrocomment', '#if +(?:0|NULL|FALSE)', Grammar, '#endif'),
-        PatternMatchRule('', r"(')(.)(')", 'c.char.start', 'c.char.data', 'c.char.end'),
+        PatternMatchRule('', r"(')([^\\])(')", 'c.char.start', 'c.char.data', 'c.char.end'),
         PatternMatchRule('', r"(')(\\.)(')", 'c.char.start', 'c.char.escaped', 'c.char.end'),
         PatternMatchRule('', r"(')(\\[0-7]{3})(')", 'c.char.start', 'c.char.octal', 'c.char.end'),
+        PatternMatchRule('', r"(')(\\x[0-9a-fA-F]{2})(')", 'c.char.start', 'c.char.hex', 'c.char.end'),
         #PatternRule('c.char', r"'.'|'\\.'|'\\[0-7]{3}'"),
         PatternMatchRule('x', r'(# *include)( +)(.+)(\n|$)',
                          'c.macro.start', 'spaces', 'c.header', 'c.macro.end'),
@@ -237,6 +238,7 @@ class C(Fundamental):
         'c.char.data':    hi_green,
         'c.char.escaped': hi_magenta,
         'c.char.octal':   hi_magenta,
+        'c.char.hex':     hi_magenta,
 
         'c.type':     hi_cyan,
         'c.include':  hi_blue,